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參數(shù)資料
| 型號： | AT-220TR |
| 英文描述： | Digital Attenuator, 30 dB, 4-Bit DC - 2 GHz |
| 中文描述： | 數(shù)字衰減器，30分貝，4位DC - 2 GHz的 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大小： | 163K |
| 代理商： | AT-220TR |
Digital Attenuator, 30 dB, 4-Bit
DC - 2 GHz
AT-220
V3.00
M/A-COM, Inc.
North America:
Tel. (800) 366-2266
Fax (800) 618-8883
I
Asia/Pacific: Tel. +81 3 3263 8761
Fax +81 3 3263 8769
I
Europe: Tel. +44 (1344) 869 595
Fax +44 (1344) 300 020
1
Specifications Subject to Change Without Notice.
G
G
G
G
G
G
G
Features
Attenuation 2-dB Steps to 30 dB
High Accuracy +/-3%
Temperature Stability +/-0.15 dB from -40°C to +85°C
Low Intermodulation Product: +50 dBm IP3
Low DC Power Consumption: 50 mW
Low Cost SOIC 16 Plastic Package
Tape and Reel Packaging Available1
Description
M/A-COM’s AT-220 is a 4-bit, 2-dB step GaAs MMIC
digital attenuator in a low cost SOIC 16-lead surface
mount plastic package. The AT-220 is ideally suited for
use where high accuracy, fast switching, very low power
consumption and low intermodulation products are
required. Typical applications include radio and cellular
equipment, wireless LANs, GPS equipment and other
Gain/Level Control circuits.
The AT-220 is fabricated with a monolithic GaAs MMIC
using a mature 1-micron process. The process features
full chip passivation for increased performance and
reliability.
SO-16
.013-.020 TYP
(0.33
.010(0.25)
(0.10-0.25)
(5.80-6.20)
.010
Pin #16
OriMark
(3.80-4.00)
-B-
(9.80-10.00)
-A-
0.050(1.27) BSC.
.0532-.0688
(1.35-1.75)
16-Lead SOP outline dimensions
Narrow body .150
(All dimensions per JEDEC No. MS-012-AC, Issue C)
Dimensions in ( ) are in mm.
Unless Otherwise Noted: .xx = ± 0.02 (.x = ±0.5)
0°-8°
.009Chamfer
(0.25-0.50)
(.016-.050
.(0.19-0.25)
-C-
Pin #1
.004 (0.10)
Part Number
AT-220 PIN
AT-220TR
AT-220RTR
Package
SOIC 16-Lead Plastic Package
Forward Tape & Reel
Reverse Tape & Reel
Ordering Information
Parameter
Test Conditions
2
Unit
dB
dB
dB
dB
Min.
Typ.
1.2
1.5
1.6
1.8
Max
1.4
1.7
1.8
2.1
Reference Insertion Loss
DC – 0.1 GHz
DC – 0.1 GHz
DC – 1.0 GHz
DC – 2.0 GHz
DC – 1.0 GHz ±(0.15 dB + 3% of Attenuation Setting in dB) dB
DC – 2.0 GHz ±(0.30 dB + 3% of Attenuation Setting in dB) dB
Attenuation Accuracy
3
VSWR
1.2:1
Trise, Tfall
Ton, Toff
Transients
1 dB
Compression
10% to 90% RF, 90% to 10% RF
50% Control to 90% RF, 50% Control to 10% RF
In Band
Input Power
Input Power
Measured Relative
to Input Power
(For two-tone Input Power Up to +5 dBm)
Measured Relative
to Input Power
(For two-tone Input Power Up to +5 dBm)
nS
nS
mV
dBm
dBm
dBm
dBm
12
18
25
20
28
45
68
0.05 GHz
0.5 – 2.0 GHz
0.05 GHz
0.5 – 2.0 GHz
IP
2
0.05 GHz
0.5 – 2.0 GHz
dBm
dBm
40
50
IP
3
Electrical Specifications,
T
A
= 25°C
1. Refer to “Tape and Reel Packaging” Section, or contact factory.
2. All measurements at 1 GHz in a 50
system, unless otherwise specified.
3. Attenuation accuracy specifications apply with negative bias control and low inductance grounding.
AT-220 11/15/96 1:49 PM Page 1 (Black plate)
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